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Thread: Read-only filesystems?

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  1. #1
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    Read-only filesystems?

    Hi there, I'm running Ubuntu 12.10 with GNOME Desktop installed alongside Unity. 4 days ago when my husband was at work, his suddenly started acting 'wonky', when he got home from work yesterday I realized that portions of it had been set to 'read-only' and after a bit of googling decided that it might be the hard drive failing, but thought I'd try re-installing. Initially I re-installed, w/o formatting his /home partition, which initially worked using Unity. But after I re-installed GNOME and updated it, it went back to not functioning... at which point I did a full reformat and it now (running Unity - with very little else installed) seems to be OK.

    However, in the midst of this, my computer suddenly started doing the *exact same thing* - I'm now in the midst of backing up my data on our third 'backup' desktop which is usually my childrens' system (Xubuntu 12.10).

    When I restart my system it says there are errors in the /home partition and asks if I want to fix them, when I say yes, it seems to and then boots OK... but the next time I shutdown/reboot it does this again, and after working on it for a couple of hours the file system will suddenly set itself to 'read only'... which is exactly what his was doing.

    Any thoughts or suggestions?
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  2. #2
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    Re: Read-only filesystems?

    Hi

    What is the in the log file /var/log/syslog ?

    Kind regards
    If you believe everything you read, you better not read. ~ Japanese Proverb

    If you don't read the newspaper, you're uninformed. If you read the newspaper, you're mis-informed. - Mark Twain

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  3. #3
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    Re: Read-only filesystems?

    Lots... I'm trying to get a browser to open on it, but not a lot of luck...

    Towards the end are several dozen lines similar to this:

    ... kernel: [428xx.4xxxx] iwlwifi: 0000:0x:00xx fail to flush all tx fifo queus
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  4. #4
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    Re: Read-only filesystems?

    Hi

    Let's try to narrow the syslog output down a bit.

    Please post the output of

    Code:
    egrep 'sd[a-z]' /var/log/syslog
    Kind regards
    If you believe everything you read, you better not read. ~ Japanese Proverb

    If you don't read the newspaper, you're uninformed. If you read the newspaper, you're mis-informed. - Mark Twain

    Thinking about becoming an Ubuntu Member?

  5. #5
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    Re: Read-only filesystems?


  6. #6
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    Re: Read-only filesystems?

    Feb 12 12:20:55 Final-Frontier kernel: [ 1.071058] sd 1:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB)
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.071099] sd 1:0:0:0: [sda] Write Protect is off
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.071102] sd 1:0:0:0: [sda] Mode Sense: 00 3a 00 00
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.071127] sd 1:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.096029] sda: sda1 < sda5 > sda2 sda3
    Feb 12 12:20:55 Final-Frontier kernel: [ 1.096793] sd 1:0:0:0: [sda] Attached SCSI disk
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.473485] EXT4-fs (sda5): mounted filesystem with ordered data mode. Opts: (null)
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.829481] sd 6:0:0:0: [sdb] 7813120 512-byte logical blocks: (4.00 GB/3.72 GiB)
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.831108] sd 6:0:0:0: [sdb] Write Protect is off
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.831111] sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.832013] sd 6:0:0:0: [sdb] No Caching mode page present
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.832015] sd 6:0:0:0: [sdb] Assuming drive cache: write through
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.835971] sd 6:0:0:0: [sdb] No Caching mode page present
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.835974] sd 6:0:0:0: [sdb] Assuming drive cache: write through
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.836850] sdb: sdb1
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.839847] sd 6:0:0:0: [sdb] No Caching mode page present
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.839850] sd 6:0:0:0: [sdb] Assuming drive cache: write through
    Feb 12 12:20:55 Final-Frontier kernel: [ 2.839851] sd 6:0:0:0: [sdb] Attached SCSI removable disk
    Feb 12 12:20:55 Final-Frontier kernel: [ 15.624144] Adding 15625212k swap on /dev/sda2. Priority:-1 extents:1 across:15625212k
    Feb 12 12:20:55 Final-Frontier kernel: [ 16.116298] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro
    Feb 12 12:20:55 Final-Frontier kernel: [ 16.962782] sd 7:0:0:0: [sdc] Attached SCSI removable disk
    Feb 12 12:20:55 Final-Frontier kernel: [ 66.941600] EXT4-fs (sda3): mounted filesystem with ordered data mode. Opts: (null)
    Feb 12 12:22:57 Final-Frontier udisksd[2217]: Mounted /dev/sdb1 at /media/emily/4193-B5A2 on behalf of uid 1000
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  7. #7
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    Re: Read-only filesystems?

    Ok, just read through the bug report, sounds right... is there a way to install an older linux kernel w/o re-installing?
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  8. #8
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    Re: Read-only filesystems?

    And... its back. I know I did a rather large update on Sunday night with it reappearing yesterday once, and this morning I've already had to reset 3x.
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

  9. #9
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    Re: Read-only filesystems?

    Hi

    Have you tried disabling power management on the drive ?

    Code:
    sudo hdparm -B 255 /dev/sda
    It may chew up your battery a bit but it may also stop the problems you are having (worth a try).

    Run the command at startup for a while and if it works, we can look at making it permanent by editing

    Code:
    /etc/hdparm.conf
    Kind regards
    If you believe everything you read, you better not read. ~ Japanese Proverb

    If you don't read the newspaper, you're uninformed. If you read the newspaper, you're mis-informed. - Mark Twain

    Thinking about becoming an Ubuntu Member?

  10. #10
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    Re: Read-only filesystems?

    The last time I rebooted I re-ran the instructions for time for the 3rd time (sudo ntpdate time.nist.gov us.pool.ntp.org ntp.ubuntu.com north-america.pool.ntp.org pool.ntp.org && sudo hwclock --systohc) and it hasn't *knock on wood* reoccured since then... This is the most fustrating bug I have encountered on a GNU/Linux system in years. I'm nervous to work on much of anything offline as I don't want to loose work when my harddrive randomly stops saving.
    Whatever you can do, or dream you can, begin it. Boldness has genius, power and magic in it. - Goethe

    Education is what is left when you have forgotten all the facts. -Francis Bacon

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